預步估計 的英文怎麼說

中文拼音 [yùbùgūjì]
預步估計 英文
preliminary estimate
  • 預 : Ⅰ副詞（預先; 事先） in advance; beforehand Ⅱ動詞（參與） take part in
  • 步 : Ⅰ名詞1 （步度; 腳步） pace; step 2 （階段） stage; step 3 （地步; 境地） condition; situation; st...
  • 估 : 估構詞成分。
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 估計 : estimate; evaluate; take stock of; size up; calculate; appraise; reckon; estimation; forecast
  1. Study achievement appears as following aspects : ( 1 ) yellow river estuary gate river flow and tide flow mixed area is not keep standing deposition status, on special income water and sediment conditions, boundary conditions and oceanic power conditions, this area may on the scour status ; ( 2 ) observed from estuary sediment deposition distributing process : delta and sea offing area sediment deposition vary trend is similar, each part sediment deposition scale varies as wave shape ; ( 3 ) on estuary gate, affect the sediment deposition factors, primary factors are tide prop, the gate widens gradually, estuary gate have branches, brine induced flocculation. this paper study the estuary gate widen, estuary gate have branches to affect the river channel deposition in quantity ; ( 4 ) based on field measured data, for the first time, deduce the estuary sediment deposition and distributing regress formula which can estimate estuary different areas sediment deposition volume ; ( 5 ) this subject demonstrate the estuary delta coastline dynamic balance conception, build the relationship between the estuary income sediment with deposition land area, draw the following important conclusion : when estuary years - averaged income sediment keeps at 345 million tons, the delta coastline may on the dynamic balance status. ( 6 ) this subject firstly brings up estuary sediment optimized control conception, and has the primary study on the macroscopically optimized control conception method

    研究認為： （ 1 ）黃河河口口門逕流潮汐區域並非持續保持淤積狀態，在特定的來水來沙、邊界條件和海洋動力條件下，該區域可以處于沖刷狀態； （ 2 ）從河口泥沙沉積分配的過程來看：三角洲與濱海區泥沙的沉積變化趨勢是基本一致的，各部位的泥沙沉積比例變化基本呈波動狀態，且三角洲與濱海區泥沙的沉積比例與來沙量密切相關，基本成正比關系； （ 3 ）在口門處，影響泥沙沉淤的因素主要集中在潮汐頂托、口門逐漸加寬、河口門分汊、鹽水造成絮凝等，本報告主要對口門加寬，口門西妥理工大學工程碩士專業學位論文分漢對河道淤積的影響進行了定量分析: （一扣根據實測資料首次建立了河贖流路泥沙沉積分配的回歸計算式，據此可以預估計算河口不同區域泥沙的沉淤量; 、 5 ）本項研究首次論證了河口三角洲岸線動態平衡的概念，並建立了黃河河口來沙量與造陸面積的相關關系，得出了當河口多年平均來沙量維持在3 . 45億t時其河口三角洲岸線則可能處于動態平衡狀態的重要結論; 『 6 ）本項研究首次提出了河口泥沙優化調控的概念，並對其宏觀優化調控模式進行了初步探討。
  2. A preliminary study of age - related difference in prospective duration estimation

    預期式時距估計年齡差異的初步研究
  3. Its main measures are : correct defining design - limited, ensuring accuracy of investment - appraised ; finishing works of optimally selected a tentative program - not exceeding investment - appraised ; by means of approved tentative program controlling design of constuction drawing ; concerning with investment of construction drawing not exceeding budget of tentative program ; managing changed - design, establishing assignment system of investment, reforming system of management of earning - way

    其主要措施有：正確確定設計限額，保證投資估算的準確性；加強設計管理，重視方案選擇，做好初步設計方案的優化和比選工作；嚴格按批準的初步設計控制施工圖設計，保證施工圖預算不突破批準的初步概算；加強設計變更的管理工作，控制不合理的設計變更；實行設計經濟責任制，建立投資分配考核制，改進設計收費方法。
  4. The estimates from united nations - backed studies are part of a fledgling bid to put a price on nature ' s bounties, from the production of crops, fish or timber to clean water supplies or the prevention of erosion

    這項由聯合國支持的估價是給自然慷慨贈與的明碼標價計劃的一個組成部分，這個估價計劃還剛剛起步，估價計劃包括作物，魚類或木材的產出，清潔水源的供應，或者土地侵蝕的預防。
  5. Based on the least squares and biased estimation especially ridge estimation, a new estimation, that is, generalized ridge estimation is put forward through studies on restriction of the parameter. model ' s prediction being considered, comparison of superiority of optimal and classical predictions with respect to the ridge estimation is showed. regression diagnoses especially distance for principal components estimation is discussed

    論文基於最小二乘估計及有偏估計特別是嶺估計，對參數的約束條件做了進一步研究，並提出一種新型估計即廣義嶺型估計；對模型的點預測問題進行深入探索，得出一種基於嶺估計關于經典預測和最優預測的最優性判別條件；也對回歸診斷特別是基於主成分估計的距離進行了深入探討。
  6. In this paper, we derive predictive models of system and auxiliary system from double constant alterations respectively. the controller based on d - step ahead predictor can locate the closed loop poles at desired positions, whose parameters are adjusted by estimations of plant parameters that are separately estimated. an auxiliary estimator is developed to avoid ill - condition in solving diophantine equation. simulations show that these control systems have better dynamic responses under existence of measurable disturbance

    引入雙恆等變換推導出系統及輔助系統的的d步預測模型，基於估計器的自校正控制器能將閉環極點配置在所希望的位置，它的參數是由與其相互獨立的對象參數調節.提出使用輔助估計器克服丟番方程的病態問題.模擬表明在存在可測干擾的情況下該系統具有良好的動態性能
  7. Abstract : in this paper, we derive predictive models of system and auxiliary system from double constant alterations respectively. the controller based on d - step ahead predictor can locate the closed loop poles at desired positions, whose parameters are adjusted by estimations of plant parameters that are separately estimated. an auxiliary estimator is developed to avoid ill - condition in solving diophantine equation. simulations show that these control systems have better dynamic responses under existence of measurable disturbance

    文摘:引入雙恆等變換推導出系統及輔助系統的的d步預測模型，基於估計器的自校正控制器能將閉環極點配置在所希望的位置，它的參數是由與其相互獨立的對象參數調節.提出使用輔助估計器克服丟番方程的病態問題.模擬表明在存在可測干擾的情況下該系統具有良好的動態性能
  8. Lyapunov exponent depict the discrete extent of chaotic dynamic system. there propose an estimation of one step prediction error based on lyapunov exponent, the estimation express the reliability of prediction numerically. at the same time, in order to improve the predictive precision it drew out an error complement methods creatively to correct one step prediction

    Lyapunov指數定量刻畫混沌離散動力系統的平均發散程度，基於lyapunov指數作出了一步預測的誤差估計，以此來定量反映預測的可靠性；根據奇異吸引子流形的性質，創造性的提出殘差補充法，對預測值作出修正以降低誤差，提高預測精確性。
  9. After evaluating enterprise ' s business risk and control risk, we can confirm the checking risk, then make use of the test of trade substance and test of remaining to bring the audit risk down to the acceptable level

    對企業經營風險和控制風險進行評估后，在已經預期審計風險水平情況下，可確定相應的檢查風險，並進一步通過交易業務實質性測試和余額細節性測試將檢查風險降低到審計人員可接受水平。
  10. As an essential component of dms, the system will supplement itself in the following aspect, short circuit current calculation, theoretical losing, voltage / reactive power optimize, state estimation, load forecast, etc

    本軟體平臺是dms的重要組成部分，下一步將加入短路電流計算、理論線損計算、電壓無功優化、狀態估計、負荷預報等功能。
  11. As one content of the layout of earthquake - resistent and damage prevention of zhongzhou city, researches in damage prediction and correspond strategies of buildings have been carried through in two aspects as following : firstly, the domestic and aboard methods of damage prediction of buildings are compared and studied. the general methods, corresponding advantages and disadvantages as well as the scope of application for earthquake damage predicting of buildings are summarized. the main problems and solutions for earthquake damage predicting of buildings are submitted ; secondly, the current situations of buildings in the urban areas of zhangzhou city have been investigated

    作為漳州市抗震防災規劃的內容之一，本文就建築物震害預測及防禦對策著重開展了兩方面的研究工作：一是對國內外建築物震害預測方法的分析對比，總結了建築物震害預測的一般方法、優缺點及其適用范圍，並提出了目前建築物震害預測存在的主要問題及解決措施；二是開展了漳州市區建築物現狀調查，闡述了漳州市區主要建築類型的震害預測方法和步驟，給出了震害預測的計算實例，完成了漳州市區建築物震害預測、地震經濟損失、無家可歸和傷亡人員的估計，指出漳州市區建築物抗震防災的薄弱環節，並提出了相應的防禦對策。
  12. Secondly, two carbon fiber reinforced composite beams were fabricated, and their modal frequencies were measured by an experiment method. thirdly, delaminations were modeled by pairs of nodes with the same coordinates but different node numbers, while the modal frequencies of these beams with different delamination location and size were computed by an eas piezoelectric solid element. moreover, a novel method combining computational mechanics and neural network was demonstrated for composite health monitoring ; the first five flexure modal frequencies obtained by fem were modified by a primary revising approach and were used to train the neural network

    本文較全面地評述了神經網路的應用模型、改進演算法等，編制了bp神經網路程序：制備了纖維增強復合材料試件，並進行實驗模態分析；利用坐標相同、節點號不同的方法模擬脫層損傷，基於eas列式的壓電固體單元計算了不同脫層損傷情況下的頻率信息；針對基於實驗數據訓練神經網路存在樣本不足的缺陷，本文提出了利用有限元方法對含有脫層損傷的復合材料試件進行數值模擬，以前五階彎曲模態頻率構建訓練樣本的新思路，並提出了一種初步的計算值修正方法，以此構建神經網路的訓練樣本：將實驗模態分析的結果送入訓練好的神經網路進行預測，實現了對復合材料梁的脫層損傷的定位和損傷程度的評估。
  13. Finally, these estimated models are used to forecast rmb ' s real exchange rate. out - of - sample forecasts is extend to forward six steps

    最後，在這些被估計出來的模型的基礎上對人民幣實際匯率進行向前六步的樣本外預測分析，並與隨機遊走模型的預測能力相比較。
  14. Mine project evaluation, work out project suggestions, feasibility report, plan design and basic design of mines, cement plants, fruit processing plants, as well as consultation of overseas project overall contracts investment risk forecasting and mine water prevention and control

    礦山項目評估；編制礦山、水泥廠、果汁飲料加工廠項目建議書，可行性研究報告，方案設計，初步設計；海外工程總承包項目咨詢，投資風險預測；礦山水害預防及治理措施。
  15. A method for training a time - domain equalizer having at least one coefficient that includes estimating a channel, initializing the at least one coefficient of the time - domain equalizer, updating the at least one coefficient of the time - domain equalizer with the estimated channel, retaining the updated estimated channel, fixing the updated value of the at least one coefficient of the time - domain equalizer for at least a one - symbol duration, calculating a modulated symbol based on an output of the time - domain equalizer, calculating a second value for the estimated channel based on the modulated symbol, setting the estimated channel to the second value, and repeating the step of updating the time - domain equalizer through the step of setting the estimated channel to the second value until a predetermined condition has been met

    本發明系一種用以訓練一具有至少一系數之時域等化電路之方法，讓方法包含估計一通道；初始化該時域等化電路至少一系數；利用該估計通道來更新該時域等化電路之至少一系數；保留該更新之估計通道；維持該時域等化電路之至少一系數之更新值至少一符號周期固定；根據該時域化電路之一輸出，計算一調變符號；根據該調變符號計算一用於該估計通道之第二值；設定該估計通道等於該第二值；及重復更新該時域等化電路至設定該估計通道等於該第二值之步驟，直到符合預設條件為止。
  16. Since there are a lot of periodic non - stationary stochastic processes, i combine the kalman filtering and multiresolution analysis methods, and propose the wavelet - kalman filtering hybrid estimating and forecasting method. this method has the real - time, recursion and multiresolution characteristics. in this paper, using this method, i realize the real - time tracking and dynamic multistep forecasting in one cycle

    針對自然、社會和經濟等環境中存在有大量周期性的非平穩隨機過程，我們將kf方法和多尺度分析方法相結合，提出了既具有實時性和遞歸性又具有多尺度分析能力的小波?卡爾曼濾波混合估計與預報方法，應用此方法可實現周期內對目標狀態的實時跟蹤估計和動態多步預報。
  17. The primary works and innovations of this paper include but not limited to : ( 1 ) considering the nonlinear, time - varying and uncertain characteristics of networks, a new active queue management ( aqm ) algorithm, i. e. nnpc - aqm was proposed based on predictive control theory, which requires less model accuracy. in order to realize fast control, a predictor was constructed using two - layer linear neural network to predict the future queue length, and a controller was composed using two layers of nonlinear neural network to optimize the next control volume, i. e. drop probability

    本文研究的主要內容及創新點如下： （ 1 ）針對網路的非線性、時滯、不確定特點，結合預測控制理論提出一種新型主動隊列管理（ aqm ）策略nnpc - aqm ，該演算法基於單值預測控制思想，為了實現快速控制，採用兩層神經網路構造預測器，估計未來時刻隊列長度；採用兩層非線性神經網路組成控制器，實現對下一步丟棄概率的優化。
  18. ( 4 ) the thesis converts unrest model ( arima model ) of time series to the rest model ( arma model ) of time series. it sets up models acrossing some procedures, such as model identify, factor estimation, model check, ect, then predict the development short - term warp of road foundation. it predicts the time of the filling soil of the next grade utilizing the growth theory of the strength of the road foundation, assures that the working organization and design go smoothly during the filling work of road foundation and saves time and money

    （ 4 ）從路基實測變形數據出發，將時間序列非平穩性模型（ arima模型）轉化成時間序列平穩模型（ arma模型） ，通過模型識別、參數估計、模型驗證等步驟來建立模型，從而進行路基動態變形預測，利用路基變形的控制標準對路基下一級填土的時間進行預測，優化了施工組織設計，節省了時間和資金。
  19. A feedforward or open loop method is used to estimate the parameters, and then more accurate feedback or closed loop method is used to complete synchronization

    首先利用前向估測方法對參數進行預估計，在此基礎上結合後向反饋方法完成同步。
  20. At the same time, according to the reverse problem of impeller machinery design, focusing on the noise performance, the counter calculation software was developed to estimate the noise of cooling fan to provide the elementary verification of the design effect

    同時，根據葉輪機械設計中的反問題的提法，針對發動機軸流冷卻風扇的噪聲性能，編制了反算程序，用於預測估計冷卻風扇的噪聲性能，從而為設計效果的驗證提供初步依據。
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